| NWS Forecast for: Quincy IL Issued by: National Weather Service Saint Louis, MO Last Update: 8:41 am CDT Oct 8, 2026 | |
| Today: Sunny, with a high near 81. Calm wind. Tonight: Mostly clear, with a low around 60. Calm wind becoming east around 5 mph after midnight. Friday: Sunny, with a high near 86. South wind 6 to 8 mph. Friday Night: Clear, with a low around 63. South wind 5 to 8 mph. Saturday: Sunny, with a high near 84. South wind 6 to 8 mph. Saturday Night: Mostly cloudy, with a low around 60. Sunday: Sunny, with a high near 79. Sunday Night: Mostly clear, with a low around 61. Columbus Day: Sunny, with a high near 86. Monday Night: Mostly clear, with a low around 60. Tuesday: Mostly sunny, with a high near 72. Tuesday Night: Mostly clear, with a low around 52. Wednesday: Mostly sunny, with a high near 71. | |
| Quincy IL 39.93°N 91.38°W (Elev. 650 ft) | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |